/Engine/Plugins/AI/MLAdapter/Source/MLAdapter/Public/Sessions/MLAdapterSession.h
Finds a suitable avatar in InWorld (or CachedWorld, if InWorld is null) for given agent, as specified by FMLAdapterAgentConfig.AvatarClass and confirmed by Agent->IsSuitableAvatar call. If no suitable avatar is found this agent will be added to "waiting list" (AwaitingAvatar)
True if an avatar has been assigned. False otherwise.
virtual bool RequestAvatarForAgent ( [UMLAdapterAgent](API\Plugins\MLAdapter\Agents\UMLAdapterAgent) & Agent, [UWorld](API\Runtime\Engine\Engine\UWorld) * InWorld, const bool bForceSearch )